/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013 Magister Solutions Ltd
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Sami Rantanen <sami.rantanen@magister.fi>
 */

#ifndef SATELLITE_CONSTANT_POSITION_MOBILITY_MODEL_H
#define SATELLITE_CONSTANT_POSITION_MOBILITY_MODEL_H

#include "satellite-mobility-model.h"

namespace ns3
{

/**
 * \ingroup satellite
 *
 * \brief Satellite mobility model for which the current position does not change
 * once it has been set and until it is set again explicitly to a new value.
 */
class SatConstantPositionMobilityModel : public SatMobilityModel
{
  public:
    /**
     * \brief Get the type ID
     * \return the object TypeId
     */
    static TypeId GetTypeId(void);
    /**
     * Create a position located at coordinates (0, 0, 0)
     */
    SatConstantPositionMobilityModel();

    /**
     * Destructor for SatConstantPositionMobilityModel
     */
    virtual ~SatConstantPositionMobilityModel();

  private:
    Vector DoGetVelocity(void) const;

    virtual GeoCoordinate DoGetGeoPosition(void) const;
    virtual void DoSetGeoPosition(const GeoCoordinate& position);

    mutable GeoCoordinate m_geoPosition;
};

} // namespace ns3

#endif /* SATELLITE_CONSTANT_POSITION_MOBILITY_MODEL_H */
